The marketing scholars have gone through two stages in the channel relationship research, including the structure mode and the behavior mode.

学者们对渠道的研究经历了从结构理论到行为理论的演进，其中在行为理论研究中又衍生出了权力范式、关系范式两个分支。

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The core of regional economic relationship research is to construct the system or order for mutual dependence and cooperation among different regions.

区域经济关系研究的核心是建立区域之间相互依赖或合作的制度安排或秩序。

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Further research is needed to investigate the causal nature of this relationship, and to look at how owners' personalities are directly influencing their pets' behaviour and wellbeing.

需要进一步的研究来调查这种关系的因果本质，并调查主人的个性是如何直接影响他们的宠物的行为和健康的。

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Historically, the UK has a long tradition of informal "marriages" that were recognised by the community, says Penny Mansfield, director of the relationship research organisation One Plus One.

BBC: Why do people get married after having children?

We want to continue to deepen our relationship around research and development, around civil nuclear power, around how we can strengthen trade between our two countries.

WHITEHOUSE: President Obama Takes a Question on Euro Debt Deal

The letter did not recognize, however, the existing research relationship between Nu Skin and Stanford.

FORBES: Preying on an Easy Mark